baber/WOPTO huggingface dataset:
Patent GB-697240-A (GB)
Title: Improvements in or relating to paper and paperboard
IPC: D21H19/32
Filed: 1950-10-13
Abstract: Compositions for rendering paper or paperboard non-adherent to normally adherent materials comprise solutions or aqueous emulsions of polysiloxanes of the general formula <FORM:0697240/IV (a)/1> , wherein a is from 1.0 to 1.5, b is from 0.75 to 1.25 and a+b is from 2.0 to 2.5, which have been end-blocked with trimethylsiloxy groups. The siloxanes used are linear copolymers, and may contain traces of hydroxyl radicals.  For treating the materials in the examples, an emulsion of the polysiloxane is made by adding it, with agitation, to an aqueous solution of a higher aliphatic alcohol sulphate, and after dilution with water and stabilization by addition of acetic acid, the emulsion is then mixed with an emulsion made by mixing a naphtha solution of zinc 2-ethyl-hexoate, iron octoate or lead naphthenate with a higher aliphatic alcohol sulphate and water.  Other catalysts specified are zinc, lead, iron, copper, aluminium, magnesium, cadmium, cobalt, nickel and sodium octoates, acetates, hexoates, oleates, stearates, naphthenates, laurates and resinates, and sodium bicarbonate and aluminate.  Other solvents specified are hexane, toluene, carbon tetrachloride, ethanol, ether and dioxane. Quarternary salts may also be used as emulsifiers.ALSO:Paper coated with a methylhydrogen polysiloxane (see Group IV (a)) is used: -  (a) for providing cigarettes with non-wetting tips which do not adhere to the smokers' lips; and  (b) in making containers for making partially baked breads, such as buns, rolls and sweet rolls, which the consumer finishes by a few minutes' baking just prior to actual consumption. The finished products do not adhere to these containers.
Patent GB-1315265-A (GB)
Title: Apparatus for marking lines
IPC: E01C23/20
Filed: 1971-04-19
Abstract: 1315265 Marking road surfaces ZUFORINDUSTRIEMASCHINEN ING HANSJUERGEN WOLANY OHG 19 April 1971 [23 March 1970] 25056/71 Heading E1G A line marker comprises a paint container 3 and an application roller 8 both mounted on a chassis 1, a platform 12 being mounted between parallel side walls 1' of the chassis. The paint flows from the container through a tube 5 and nozzle 6.
Patent GB-1097217-A (GB)
Title: Improved process for the electrodeposition of metals
IPC: C25C3/34
Filed: 1965-06-14
Abstract: In the process described in the parent Specification for making refractory metals by fusion electrolysis using an all-fluoride bath, the cathode upon which the metal is deposited as a dense coherent form, is pre-heated before electrolysis at least to the liquidus temperature of the melt.
Patent GB-1198571-A (GB)
Title: Polyolefin-Modified Polyester Resin.
IPC: C08L67/06
Filed: 1968-05-24
Abstract: 1,198,571. Glass fibre laminates. ALLIED CHEMICAL CORP. 24 May, 1968 [24 May, 1967], No. 25082/68. Heading B5N. [Also in Division C3] Glass fibre reinforced laminates are prepared by curing a thermosettable moulding composition comprising a mixture comprising (A) a polymer which is a homopolymer or a copolymer containing at least 60% by weight of an olefin having 2-6 carbon atoms, or a chlorination or sulphoohlorination production of the homopolymer or copolymer; (B) an unsaturated polyester resin comprising the reaction product of (1) an α,#-unsaturated polybasic carboxylic acid and (2) a polyhydric alcohol; (C) a compound containing a polymerizable reactive CH 2  = C< group, and (D) fibrous glass; the weight of (A) being 20 to 70% of (A), (B) and (C), the combined weight of (B) and (C) being 20 to 80% of (A), (B) and (C) and the weight of (D) being 10 to 70% of (A), (B), (C) and (D).
Patent GB-227185-A (GB)
Title: Motion-picture apparatus
IPC: G03B21/43
Filed: 1923-10-09
Abstract: 227,185. Woosnam, A., (Radio Motion Picture & Phonograph Corporation). Oct. 9, 1923. Kinematograph apparatus. - Means are provided in the driving mechanism of a kinematograph projector whereby, after threading, the feed and take-up sprockets may be rotated in opposite directions to form the loops. As shown, the operating shaft 16 is connected to a shaft 49 by worm gearing 47, 48, and the shaft 49 drives the intermittent sprocket on a shaft 53 by means of a grooved drum 50 and a gear 52. A worm 54 on the shaft 49 drives a worm wheel 55 which is mounted on a shaft 63 and carries a shaft 67 having a flattened end 70 to engage between the spokes of two wheels 68, 69 rotatable on the shaft 63 and transmit the drive to them. The wheels 68, 69 drive respectively gears 58, 59 on the shafts of the take-up and feed sprockets, and are connected together by a spring 71. While the film is being threaded, the plane of the flattened end 70 is radial with respect to the wheels 68, 69, and, after threading, a thumb-piece 62 is turned so as to cause a circular rack 64 to rotate the shaft 67 by its engagement with a pinion 66 secured thereon. The flattened end 70 is consequently turned so as to rotate the wheels 68, 69 in opposite directions against the action of the spring 71, the resultant movement of the feed and take-up sprockets producing the loops.
Patent GB-304577-A (GB)
Title: Improvements relating to flushing apparatus
IPC: E03D1/34
Filed: 1928-09-01
Abstract: 304,577. Levick, J. Sept. 1, 1928. Valves closing after predetermined interval or flow; casings.-In flushing apparatus of the type comprising a ball or other valve 3 in the flush pipe, which may lead from a flushing cistern, an external chamber 9 is provided, said chamber being- open to the atmosphere at 12 and communicating at 11 with the valve chamber or flush pipe. The valve 3 may be operated through a lever 7 and push 6, and closes after a predetermined flush. Specification 140,981 is referred to.
Patent GB-518585-A (GB)
Title: Improvements in or relating to steam and/or fume extractor devices, particularly foruse with fish frying ranges and the like
IPC: A47J36/38
Filed: 1938-08-27
Abstract: 518,585. Removing fumes. HUSLER, N. W. Aug. 27, 1938, No. 25215. [Class 8 (ii)] [Also in Group XI] Means for extracting steam and fumes from the cooking chamber of a fishfrying range or from a similar enclosed space by means of a fan comprises a fan motor located in a casing disposed within the exhaust conduit from the cooking-chamber &c. and sealed in relation thereto, and one or more ventilation openings in the casing to permit a flow of cooling air therethrough. A box or chamber 4 adapted to be interposed in an exhaust conduit from the back of a frying range &c. is divided into three compartments 5, 6, 7 by vertical partitions, the chambers 5, 7 forming exhaust passages of a cross-sectional area at least equal to that of the pipe 2 from the range &c. The central compartment 6 is closed by lower and upper walls 8, 10 and is fitted with metal straps 11 to support the motor 12, which is cooled by air flowing through the compartment 6 through front and rear openings. The extractor fan 14 is located in a cone-shaped extension 15 provided with a sliding, hinged or detachable door.
Patent GB-804735-A (GB)
Title: Improvements in or relating to magnetic recording systems
Inventor: BARTON JOHN CLIFFORD
IPC: G11B5/35
Filed: 1955-09-02
Abstract: 804,735. Magnetic recording and reproducing heads. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Aug. 24, 1956 [Sept. 2, 1955], No. 25223/55. Drawings to Specification. Class 40 (2). In a multi-transducer magnetic head in which the transducers are arranged side by side for reproducing separate signals on parallel tracks on a record tape, the effect of spurious signals from an adjacent track is reduced by providing each transducer with a series-connected coil or coils inductively coupled to the coil or coils of an adjacent transducer in a sense that the signals thereby induced are in opposition to those produced by the mutual inductance between the cores. A method if also described wherein a neutralizing inductive coupling is obtained by transformers.
Patent GB-166832-A (GB)
Title: Improvements in or relating to machines for packing cigarettes or similar articles
IPC: B65B19/10
Filed: 1920-09-01
Abstract: 166,832. Orstr÷m, G. Sept. 1, 1920. Packeting cigarettes &c. in receptacles.-Relates to machines for packing cigarettes &c. into paper bags, boxes, &c., and consists in the provision of means for automatically stopping the machine if the cigarettes become clogged. The cigarettes 1 are fed from a hopper 2 into vertical channels 3, 4 by wheels 6, 7. They are guided by fixed arms 9, arms 11 pivoted at 10, and fingers 12 pivoted at 13 to the arms 11. The arms 11 and fingers 12 rest by their own weight upon the cigarettes. If the channels 3, 4 become clogged, the cigarettes ride up against the parts 11, 12 and cause a finger 14 on the arm 11 to actuate a bell-crank lever 15 to press a push-button 18 in a switch 17 and stop the machine After the obstruction has been removed, the machine is restarted by pressing a push-button 19 by a lever 20.
Patent GB-263482-A (GB)
Title: Improvements in devices for releasing from containers fluids under pressure
Filed: 1926-10-11
Abstract: 263,482. Johann, C. S. Dec. 22. 1925, [Convention date]. Storing under pressure.- In devices for releasing fluids, in particular fireextinguishing gases, from containers in which they are retained under pressure by a seal, a seal-rupturing punch is released when an electromagnet is energized, for example through a relay thermostat. A gas bottle 10 is closed by a seal 20. A cutter 15 is carried by a punch 25 urged downwardly by a spring 16 against the pressure of a weaker cushioning spring 31, but normally held raised by spring pressed arms 42. When the electromagnet. 48 is energized its core 43 descends against the action of a spring 52 and spreads the arms 42, allowing the punch to descend and break the seal. The seal 20 may be arranged to fracture under excessive pressure. The core 43 may be depressed by hand pressure on an extension 61.
Patent GB-507992-A (GB)
Title: Improvements in rate of change of pressure indicating instruments such as rate of climb indicators for aircraft
IPC: G01P3/62
Filed: 1937-09-17
Abstract: 507,992. Pressure gauges. BENDIX AVIATION CORPORATION. Sept. 17, 1937, No. 25330. Convention date, Sept. 17, 1936. [Class 106 (ii)] Relates to rate of change of pressure responsive instruments, for instance rate of climb instruments for aircraft in which equalization of pressure on opposite sides of a pressure responsive element is restricted and consists in employing restriction means of different natures having opposite characteristics in respect of the rate of pressure equalization with respect to the absolute pressure of the gas medium so that the indication given is independent of changes in absolute pressure. A metal cylinder 16 flanged at one end at 15 and closed at this end by a diffuser element 19 made of porcelain, carbon, paper, thin films of gold, or other porous materials has this end clamped between two parts 10, 14 of a synthetic resin casing screwed together. The part 10 communicates with the atmosphere through an opening 12 and contains dehydrating material 23 such as silica-gel, calcium oxide, &c. A capillary tube 20 opening at one end into the chamber 16, at the other end passes through the element 19. A frame 25 extends across the casing 16 and carries a resilient arm 26 and also a bracket 27a. The arm 26 supports a pressure responsive diaphragm device 29 which may be slightly adjusted bodily by a screw 28 engaging the end 27 of the arm 26. The screw passes through a face plate 17 seated on a flange in the part 14 and closing the casing 16. An arm 31 pivoted to bracket 27a is connected by a link 32 with the diaphragm device 29 and moves an indicating pointer 42 through quadrant and pinion 40, 44. The device 29 communicates with the space 23 by a pipe 30 passing through the partition 19. On an increase of altitude, the pressure in the dehydrator 23 and device 29 falls. The pressure inside the case 16 cannot instantaneously equalize with the pressure outside and a differential pressure is set up causing the arm 31 to move down and the needle 42 to move in one direction, indicating the rate of climb. The opposite action happens in the case of a descent. It is found that when a capillary tube alone is used the instrument has a rising characteristic for a constant rate of climb a altitude increases and also a rising characteristic as the temperature increases. For the diffuser element alone falling characteristics occur. The combination therefore eliminates errors due to these characteristics. Specification 141,244, [Class 106 (ii)], is referred to.
Patent GB-315615-A (GB)
Title: Improved direction indicator for motor vehicles
IPC: B60Q1/34
Filed: 1928-09-04
Abstract: 315,615. Williams, W. F. Sept. 4, 1928. Road-traffic signals on vehicles.-Front and rear direction-signalling arms 30, 39 on a road vehicle are actuated through the medium of Bowden wires and springs 34 by a hand-lever 11, which at night also operates a switch to light selected coloured lamps at the front and rear. The switch comprises four fixed contacts 16, 17, 18, 19 and a bar 15 carried by the lever 11 and adapted to bridge two contacts at a time. The connections are such that when the lever is moved to the driver's left the ordinary lamp in the headlight 26 remains illuminated, but in the headlight 27 a coloured lamp is alone illuminated. Simultaneously one of two coloured lamps 28, 29 at the rear is illuminated. Opposite effects are produced when the lever is moved to the right. Specification 308,501 is referred to.
Patent GB-535614-A (GB)
Title: Improvements in or relating to the surface treatment of aluminium and aluminium alloys
IPC: C23C22/67
Filed: 1939-09-07
Abstract: 535,614. Coating metals. BRITISH ALUMINIUM CO., Ltd., and RICHMOND, J. T. Sept. 7, 1939, No. 25360. [Class 82 (ii)] The surface of aluminium or an aluminium alloy, particularly as wire or tape, is oxidised by treatment in an autoclave with an aqueous alkaline solution at a pressure between 40 and 90lbs. per square inch the temperatures being those of saturated steam corresponding to those pressures and the time of treatment varying between 20 minutes and 2 hours. The solution may contain sodium or potassium or ammonium carbonate with or without phosphates, chromates, molybdates, borates or silicates of sodium, potassium, or ammoniums, and, in an example, the. solutions are of 3 to 4 per cent. The objects treated are washed in hot or cold water, dried by heat, and cooled either in air or carbon tetrachloride, or in a sealing composition such as varnish, laquer, or wax. Aluminium wire thus treated is provided with an electrically insulated coating.
Patent GB-1315418-A (GB)
Title: Centrifugal actuates
IPC: F16H48/40
Filed: 1970-08-26
Abstract: 1315418 Centrifugal actuator EATON CORP 26 Aug 1970 [17 Sept 1969] 25496/72 Divided out of 1315416 Heading F2D The disclosure is the same as in Figs. 1 to 7 of Specification 1,315,416, but the claims are directed to a centrifugal actuator comprising a pair of masses 52, 54 mounted on a member (e.g. pin 46 frictionally gripped by a spring 56 whose ends 64 extend into a split pivot 66 about which the masses pivot) so that one of the masses 54 is urged away from and the other 52 towards the member 46 under rotational acceleration about the member, effects of F I  (reversal of acceleration reversing F1) the masses being resiliently urged (e.g. by a spring 68) towards the member 46, outward movement of the one mass 54 engaging a stop (e.g. tab 82 of part 72) which prevents the masses rotating about the axis of the member 46. Under high speed rotation of the differential casing there may be a mass 70 overcoming a spring 76 to pivot the part 72 out of the contact path of the masses 52, 54.
Patent GB-429721-A (GB)
Title: Improvements relating to pressure regulators
IPC: G05D16/18
Filed: 1934-09-05
Abstract: 429,721. Pressure regulators. WESTINGHOUSE BRAKE & SAXBY SIGNAL CO., Ltd., 82, York Road, King's Cross, London.-(Assignees of Compagnie des Freins Westinghouse; Sevran, Seine, France) Sept. 5, 1934, No. 25560. Convention date, Sept. 14, 1933. [Class 8 (i)] In a pressure regulator for maintaining the fluid pressure in a reservoir, e.g. the main reservoir of fluid pressure braking apparatus, at a substantially constant value comprises a hollow piston 5, having a controlling spring 16 mounted therein, the upper face of the piston constituting a valve 3<1> controlling communication between the reservoir and a movable abutment 21 adapted to operate a switch 24 controlling the actuation of the compressor charging the reservoir, and the lower end 15 of the piston controlling communication between the movable abutment and the atmosphere. The lower end of the spring 16 bears against an adjusting member 13 which is screwthreaded into a plugmember 7 adjustably screwed into the casing 4. The space within the piston 4 is in communication with the atmosphere through a restricted passage 9 in the member 13. A passageway 18 connects a chamber 2 0 in which the abutment 21 moves with a passage 1 communicating with the reservoir when the valve 3<1> is open. An extension 17 of the passage 18 is in communication with the interior of the piston 5 and the atmosphere when the piston is in its raised position. When the pressure in the reservoir exceeds a predetermined value, the piston 5 moves away from the seat 3 and allows the pressure to act over a larger area thereof to cause rapid movement to its lowest position as shown. Pressure fluid is thus admitted to the chamber 20 and lifts the abutment 21 to open the switch 24. When the reservoir pressure falls below a predetermined value, the piston 5 rises and pressure fluid can thus flow through the passage 17 to beneath the piston to cause rapid closing of the valve 3<1>. A spring 23 acting on the abutment 21 then causes the switch 24 to be closed. The members 7, 13 are adjusted according to the allowable pressure variation.
Patent GB-1316002-A (GB)
Title: Fluid bed reactors
IPC: B01J8/08
Filed: 1971-04-19
Abstract: 1316002 Fluidised bed catalytic reactor BADGER CO Inc 19 April 1971 [21 April 1970] 25580/71 Heading B1F Fluidised bed catalytic reactor/generator 2. Fig. 1, has downcomer pipes 42 with trays 48 at the bottom to limit the upward flow of gas while permitting catalytic discharge. The bottom of the downcomer pipes 42 may alternatively have hinged flaps 56, Fig. 3A. The use of the apparatus in the preparation of nitriles from olefin feedstock, ammonia, and air is described, also the oxidation of naphthalene to phthalic anhydride. (For Figures see next page)
Patent GB-1220645-A (GB)
Title: High molecular weight aromatic polybenzoxazinones
IPC: C09B43/28
Filed: 1969-05-20
Abstract: 1,220,645. Polyamide carboxylic acids; polybenzoxazinones. FARBENFABRIKEN BAYER A.G. 20 May, 1969 [10 June, 1968], No. 25583/69. Heading C3R. [Also in Division C2] An aromatic polyamidocarboxylic acid (A) has recurring units (III) where Ar, Ar<SP>1</SP> and Ar<SP>11</SP> represent mono- or poly-nuclear, condensed or attached aromatic radicals, unsubstituted or substituted by halogen, C 1 -C 4  alkyl, cycloalkyl, or C 1 -C 4  alkoxy groups, and X represents a single covalent bond, -CH 2 -, -CO-, -O-, -S-, N-SO 2 - (A) has rel. soln. viscosity # rel >1À2 (for 0À5 g. (A) in 100 ml. N - methyl - pyrrolidone at 20 C.). (A) is made by polycondensing (V) with Hal-OC-Art<SP>11</SP>-CO-Hal at 0-60 C. in polar organic solvents e.g. N,N-dimethylacetamide or N-methylpyrrolidone. The reaction mixture may also contain up to 95 mol. per cent, based on total diamino compounds, of aromatic diamines, e.g. m- or p-phenylenediamine, or 4,4<SP>1</SP>- diamino - diphenyl- -methane, -ether, -sulphide, or -sulphone. To remove HCl formed during the reaction epoxides may be added to form the chlorohydrins or the polymer may be pptd. by pouring into water, washed, dried, and redissolved, e.g. in N,N-dimethylformamide, N,N - dimethyl acetamide, N - methyl pyrrolidone, or N - methyl caprolactam. The solutions may be used to form fibres, foils, coatings, or linings. When heated to 150 C., these will be converted to polybenzoxazinones (B) as described below. Examples describe preparations of (A) having recurring units Aromatic polybenzoxazinones (B) with recurring units (I) having softening pt. > 280 C. are made by heating (A) to > 150 C. after removal of solvent. Examples describe preparations from the above respective (A) compounds of (B) having recurring units
Patent GB-681331-A (GB)
Title: Improvements in combination automatic gain control and amplitude discriminatory circuits for radio reception
IPC: H04N5/08
Filed: 1950-10-20
Abstract: 681,331. Automatic gain control. RADIO CORPORATION OF AMERICA. Oct. 20, 1950 [Oct. 29, 1949], No. 25635/50. Classes 40 (v) and 40 (vi). [Also in Group XL (b)] A combined synch-separation and keyed automatic gain control system for television reception comprises a multi-grid valve in the anode circuit of which the gain control potential is produced. The signal is applied to the control grid in such a manner that screen grid current flows only for the duration of the synchronizing pulses and may be used to synchronize a source of keying impulses; impulses from this source are fed to the anode of the multi-grid valve to bring it to a conductive condition. Positively - polarized demodulated signals in which the synch. pulses are positive-going are applied from a video stage 14 to the inner grid of valve 32, over resistance 38. The valve 32 is biased to cut-off by a positive bias applied to the cathode, so that only the synch. pulses appear across a load resistance 50 in the circuit of the screen grids; the arrangement is rendered insensitive to sudden changes in signal level by means of a series screen resistance 48 of high value, which in conjunction with condenser 52 provides a time-constant in excess of several frame intervals. The synch. pulses are inverted by a triode amplifier 90, frame impulses being separated by an integrating network 102-112 and applied to a frame-scan circuit 96, while line impulses are differentiated by R.C. combination 98, 100 and applied to line-scan circuit 94. Positive-going pulses are derived from the output of the line deflection output valve 66 and are applied over a D.C. blocking condenser 70, resistance 72 and integrating condenser 74 to the anode of the valve 32. The anodecathode path of this valve acts as a gridcontrolled rectifier, being conductive only during the interval in which conduction to the screen occurs and produces a smoothed D.C. output across R.C. combination 114, 78 which is proportional to the amplitude of the signal applied to the inner grid. This output constitutes the A.G.C. potential and is applied directly, at terminal 30, to I.F. stages in the receiver 10; it is also applied at terminal 28 to the R.F. stages, a delay bias being introduced by resistance 88 which is connected to a positive potential. A diode 84 prevents the application of positive bias to the R.F. stages. The outer grid 54 of the valve 32 is connected to the anode to increase conduction; it may alternatively, Fig. 2 (not shown), be coupled to the anode of the amplifier 90 so as to provide regeneration and so sharpen up the synch. pulses. Regeneration may also be brought about by a similar back-coupling to the inner grid. Specification 668,756 is referred to.